import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from "../components/Login.vue"
import Home from "../components/Home.vue"
import '../assets/css/global.css'
import Welcome from '../components/Welcome.vue'
import User from '../components/user/Users.vue'

Vue.use(VueRouter)

const routes = [
  { path: '/', redirect: '/login' },
  { path: '/login', component: Login },

  {
    path: '/home',
    component: Home,
    redirect: '/welcome',
    children: [
      {
        path: '/welcome',
        component: Welcome,
        meta: { requiresAuth: true }
      },
      {
        path: '/users',
        component: User 
      }
    ]
  }
]

const originalPush = VueRouter.prototype.push
VueRouter.prototype.push = function push(location, onResolve, onReject) {
  if (onResolve || onReject) return originalPush.call(this, location, onResolve, onReject)
  return originalPush.call(this, location).catch(err => err)
}

const router = new VueRouter({
  routes
})

//挂载路由导航守卫

router.beforeEach((to, from, next) => {
  if (to.path === '/login') return next()
  //获取token
  const tonkenStr = window.sessionStorage.getItem('token')
  if (!tonkenStr) return next('/login')
  next()
})

export default router
